344741340 has 24 divisors (see below), whose sum is σ = 965275920. Its totient is φ = 91931008.

The previous prime is 344741333. The next prime is 344741387. The reversal of 344741340 is 43147443.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 344741298 and 344741307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2872785 + ... + 2872904.

It is an arithmetic number, because the mean of its divisors is an integer number (40219830).

Almost surely, 2^344741340 is an apocalyptic number.

344741340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344741340 is an abundant number, since it is smaller than the sum of its proper divisors (620534580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344741340 is a wasteful number, since it uses less digits than its factorization.

344741340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745701 (or 5745699 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 344741340 is about 18567.2114222896. The cubic root of 344741340 is about 701.1825860379.

Adding to 344741340 its reverse (43147443), we get a palindrome (387888783).

The spelling of 344741340 in words is "three hundred forty-four million, seven hundred forty-one thousand, three hundred forty".